What is CCTV?
TV closed circuit (CCTV) is a network of cameras and monitors that are directly connected to a closed circuit. This means that the pictures picked up by cameras are not accessible by anyone who has a receiver, which is the standard with regular TV. Instead, the monitor must have a direct connection to the system cameras to access the signal. CCTV can be used in several different ways, including a part of a safety system for a company or residence. It can also be used in applications such as air photography, which includes high photography; at football stadiums; in hospitals; And even when watching the movement of traffic at intersections.
The size of the CCTV system can depend on how and where it is used, but the basic elements of the system are the same, regardless of its application. The CCTV system has at least one camera, but can include several cameras if necessary. It also includes imaging monitors to pick up images of the camera. Display monitors have a direct connection to the CCTV network, whichThere is a reason why they can pick up pictures on cameras. View monitors that are not directly connected to a closed circuit network, cannot access the signal or see images provided by cameras.
There are different ways to send its images from cameras to display monitors. This type of system can use coaxial cables for signal broadcasting, but some systems use other types of technology to achieve this goal. For example, CCTV can also use microwaves or infrared technology to send its broadcasts from cameras to display units that are connected to the network.
The use of CCTV is numerous. For example, the store owner can install this type of system to monitor its business and watch every customer who enters. With this type of system in Pkrajka, catching thieves can be easier. House owner can also use a closed circuit system behind the styleHem watching parts of your house for intruders. Hospitals may also have the use of these systems because they allow healthcare workers to visually monitor patients without being in the room. This type of system can even be used when tracking intersections to capture traffic.